| Acronym | Meaning |
| PNO | Pair Natural Orbital |
| DFMFT | Density-functional Mean-field Theory |
| EPI | Echo-planar Imaging |
| EIGA | European Industrial Gases Association |
| GRF | Growth Hormone Releasing Factor |
| SPR | Surface Plasmon Resonance |
| WINS | Well Impactor Ninety-Six |
| DPP | Differential-pulse Polarography |
| NOE | Nuclear Overhauser Enhancement |
| BSH | Bile Salt Hydrolase |